They are actually stronger than most metal and chemical anchors because the all plastic plug bonds through friction to concrete

7/16-14 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

5/8-18 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

3/4-10 x 5 Hex Cap Screw SS 316 (A4)

1-8 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (40)

3/4-16 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 5/8-18 Grade 8 Hex Cap Screws Yellow Zinc Plated - Domestic USA They are actually stronger than3 4 16 x 2 1 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on